IP Library › Granted Patent US 6,694,996
Granted Patent Utility
US 6,694,996 · Confirmation No. 3884

SWING CHECK BACKFLOW PREVENTER HAVING CHECK VALVE WITH LEVER ARM

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2022-01-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2022-01-05 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2021-12-17 PA.. Power of Attorney 1 View
2021-12-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2021-12-17 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2021-12-17 R3.73 Assignee showing of ownership per 37 CFR 3.73 — View
2004-01-05 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-03-11 TRNA Transmittal of New Application 2 View
2002-03-11 ADS Application Data Sheet 1 View
2002-03-11 SPEC Specification 24 View
2002-03-11 CLM Claims 15 View
2002-03-11 ABST Abstract 1 View
2002-03-11 DRW Drawings-only black and white line drawings 11 View
2002-03-11 OATH Oath or Declaration filed 2 View
2002-03-11 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,694,996
App. No.
10/095,264
Filed
2002-03-11
Granted
2004-02-24
Pub. No.
US20030168105A1
Art Unit
3753
PTA
0 days